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目的 探讨经直肠超声引导下前列腺12针系统穿刺活检术诊断前列腺癌的临床价值。 方法 对220例行经直肠B超引导下前列腺12针(在传统6针基础上增加前列腺两侧外周带外侧底、中、尖部各1针)系统穿刺活检术的患者资料进行回顾性分析。 结果 前列腺癌患者73例(33. 2% ),临床分期T1 4例、T2 21例、T3 15例、T4 33例,如按传统6针穿刺方法穿刺,检出率为31. 4%,将有4例早期癌(T1 3例、T2 1例,体积均<0. 5ml)患者漏诊, 6针较12针穿刺漏诊早期癌16% (4 /25)。220例患者均未出现严重并发症。 结论 12针较6针系统穿刺活检可以增加早期癌和小体积癌( <0. 5ml)的检出,应重视对前列腺外周带外侧6点的穿刺。
Objective To investigate the clinical value of transrectal ultrasound-guided prostatic 12-needle biopsy in the diagnosis of prostate cancer. Methods A retrospective analysis was performed on the data of 220 patients undergoing transrectal B-guided prostate biopsy with 12-needle prostate biopsies (1 extra needle at the base of the lateral, middle and apex of the prostate on both sides of the traditional 6-needle). Results 73 cases (73.2%) of patients with prostate cancer, clinical stage T1 4 cases, T2 21 cases, T3 15 cases, T4 33 cases, such as traditional 6-pin puncture method, the detection rate was 31.4% There were 4 cases of early cancer (3 cases of T1, 1 case of T2, volume <0.5ml), missed diagnosis of early cancer by 6-pin versus 16-pin (4/25). None of the 220 patients experienced serious complications. Conclusions The 12-needle versus 6-needle biopsy can increase the detection of early and small-volume cancers (<0.5ml), and extra-lateral prostatic puncture should be emphasized at 6 points.